GeneralFileReader.h

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/*
 * FileReader.h
 *
 *  Created on: Apr 22, 2009
 *      Author: David Berrios
 */

#ifndef GENERALFILEREADER_H_
#define GENERALFILEREADER_H_
#include <string>
#include <vector>
#include <iostream>
#include "Attribute.h"
#include "FileReader.h"
#include <boost/unordered_map.hpp>
#include "cdf.h"





namespace ccmc
{


    class GeneralFileReader
    {

        public:

            GeneralFileReader();
            long open(const std::string& filename);

            std::vector<float>* getVariable(const std::string& variable);
            std::vector<float>* getVariable(long variableID);
            std::vector<float>* getVariable(const std::string& variable, long startIndex, long count);
            std::vector<float>* getVariable(long variableID, long startIndex, long count);
            float getVariableAtIndex(const std::string& variable, long index);
            float getVariableAtIndex(long variable_id, long index);
            std::vector<int>* getVariableInt(const std::string& variable);
            int getVariableIntAtIndex(const std::string& variable, long index);
            int getNumberOfGlobalAttributes();
            int getNumberOfVariables();
            int getNumberOfVariableAttributes();
            long getNumberOfRecords(const std::string& variable);
            long getNumberOfRecords(long variable_id);
            long getVariableID(const std::string& variable);
            std::string getVariableName(long variable_id);
            Attribute getGlobalAttribute(long i);
            std::string getGlobalAttributeName(long attribute_id);
            std::string getVariableAttributeName(long attribute_id);
            Attribute getGlobalAttribute(const std::string& attribute);
            Attribute getVariableAttribute(const std::string& variable, const std::string& attribute);
            std::vector<std::string> getVariableAttributeNames();
            bool doesAttributeExist(const std::string& attribute);
            bool doesVariableExist(const std::string& variable);
            long close();
            //long closeFile();
            //long openFile(const std::string& filename);
            const std::string& getCurrentFilename();
            ~GeneralFileReader();

        protected:
            std::string current_filename;

            boost::unordered_map<std::string, long> variableIDs;
            boost::unordered_map<long, std::string> variableNames;
            boost::unordered_map<std::string, Attribute> gAttributes;
            boost::unordered_map<long, Attribute> gAttributeByID;
            boost::unordered_map<std::string, boost::unordered_map<std::string, Attribute> > vAttributes;
            void initializeGlobalAttributes();
            void initializeVariableAttributes();
            void initializeVariableIDs();
            void initializeVariableNames();

            FileReader * fileReader;

    };
}

#endif /* GENERALFILEREADER_H_ */